FlightAware sues Kalshi over flight cancellation prediction markets data
A flight-tracking company best known for helping travelers check on delayed planes is now suing one of the fastest-growing prediction market platforms in the country. FlightAware filed a lawsuit against Kalshi on August 11, 2026, accusing the trading platform of using its data without permission to settle bets on flight cancellation prediction markets, and of making it look like the two companies had struck a partnership that never existed.
Key takeaways
- FlightAware sued Kalshi on August 11, 2026, alleging unauthorized use of its flight-tracking data and brand for cancellation-betting contracts introduced last month.
- The complaint accuses Kalshi of breach of contract, trademark infringement, and unfair competition, and seeks a temporary restraining order plus preliminary and permanent injunctions.
- FlightAware warns that betting on flight cancellations could create incentives for unsafe attempts to influence whether a flight operates, though no interference has been proven.
- Kalshi is separately fighting a $36 billion lawsuit from New York over alleged unlicensed gambling, plus conflicting rulings in Washington, Michigan, and Minnesota.
- A Minnesota federal judge blocked enforcement of a state ban against CFTC-registered markets on July 27, while Washington and Michigan courts have sided with regulators.
FlightAware’s Lawsuit Over Kalshi’s Flight Cancellation Markets
FlightAware’s complaint centers on a simple but consequential accusation: Kalshi built a betting product on top of FlightAware’s data without ever asking for permission to do so. The dispute involves markets Kalshi launched last month that let traders take positions on whether specific flights will be canceled, turning real-world flight status into a tradable outcome.
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